Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
manh trung » manh tung, thanh trung, manh hung
trung cua » truong cua, trung tuan, trung cap
cong nong » cong dong, cong cong, cong trong
tran chau » tranh chap, tran huu
nong tan » cong tan, nong dan, nong san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (chinh sach)) - manh trung cua cong nong tan tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chinh sach)) - manh trung cua cong nong tan tran chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chinh sach)) - manh trung cua cong nong tan tran chau*.